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What is UPD75P108BDW?

This electronic component, produced by the manufacturer "NEC", performs the same function as "4-BIT SINGLE-CHIP MICROCOMPUTER".


UPD75P108BDW Datasheet PDF - NEC

Part Number UPD75P108BDW
Description 4-BIT SINGLE-CHIP MICROCOMPUTER
Manufacturers NEC 
Logo NEC Logo 


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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD75P108B
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The µPD75P108B is a version of the µPD75108 in which the on-chip mask ROM is replaced by one-time
PROM which can be written to once only, or EPROM which is capable of program write, erasure and rewrite.
Also, since the µPD75P108B is capable of program write by a user, it can easily be exchanged with the mask
version, allowing evaluation at low voltage.
Detailed functional descriptions are shown in the following User’s Manual. Be sure to read for designations.
µPD751×× Series User’s Manual : IEM-922
FEATURES
Version with on-chip PROM, allowing low-voltage operation VDD = 2.7 to 6.0 V
µPD75108 compatible
Memory capacity
Program memory (PROM) : 8064 × 8 bits
Data memory (RAM)
: 512 × 4 bits
Correspondence to QTOP™ microcomputer
ORDERING INFORMATION
Ordering Code
Package
On-Chip ROM
µPD75P108BCW
µPD75P108BDW
µPD75P108BGF-3BE
64-pin plastic shrink DIP (750 mil)
64-pin ceramic shrink DIP (with window)
64-pin plastic QFP (14 × 20 mm, 1.0 mm pitch)
One-time PROM
EPROM
One-time PROM
Note There is no on-chip pull-up resistor function by means of a mask option.
5
QUALITY GRADE
Standard
Please refer to “Quality grade on NEC Semiconductor Devices” (Document number IEI-1209) published by
NEC Corporation to know the specification of quality grade on the devices and its recommended applications.
In this ducument, common parts of one-time PROM products and EPROM products are represented as
PROM.
The information in this document is subject to change without notice.
Document No. IC-2580C
(O. D. No. IC-7987C)
Date Published December 1993 P
Printed in Japan
The mark 5 shows major revised points.
© NEC Corporation 1989

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UPD75P108BDW equivalent
TI0
PTO0/P20
TI1
PTO1/P21
SI/P03
SO/P02
SCK/P01
BASIC
INTERVAL
TIMER
INTBT
TIMER/EVENT
COUNTER
#0
INTT0
TIMER/EVENT
COUNTER
#1
INTT1
SERIAL
INTERFACE
INTSIO
INT0/P10
INT1/P11
INT2/P12
INT3/P13
INT4/P00
INTER-
RUPT
CONTROL
PTH00-PTH03 4
PROGRAM-
MABLE
THRESHOLD
PORT #0
PROGRAM
COUNTER (13)
ROM
PROGRAM
MEMORY
8064 × 8 BITS
ALU
SP(8)
CY
BANK
DECODE
AND
CONTROL
GENERAL REG.
RAM DATA
MEMORY
512 × 4 BITS
fXX / 2N
CLOCK
OUTPUT
CONTROL
CLOCK
DIVIDER
CLOCK
GENERATOR
STAND BY
CONTROL
CPU CLOCK
Φ
PCL/P22
X1 X2
VPP VDD VSS RESET
BIT SEQ.
BUFFER
(16)
PORT 0 4 P00-P03
PORT 1 4 P10-P13
PORT 2 4 P20-P23
PORT 3
4
P30-P33
/MD0-MD3
PORT 4 4 P40-P43
PORT 5 4 P50-P53
PORT 6 4 P60-P63
PORT 7 4 P70-P73
PORT 8 4 P80-P83
PORT 9 4 P90-P93
PORT 12 4 P120-P123
PORT 13 4 P130-P133
PORT 14 4 P140-P143


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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPD75P108BDW electronic component.


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Featured Datasheets

Part NumberDescriptionMFRS
UPD75P108BDWThe function is 4-BIT SINGLE-CHIP MICROCOMPUTER. NECNEC

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